We’re proud to announce that our client, bestselling author Shelby Johnson, has released a new Samsung Galaxy S4 user manual!  Along with the iPhone lineup, the S4 by Samsung is currently one of the best-selling mobile products as it has gained popularity among the phone enthusiasts.  Since the phone has features that are more superior to that of Galaxy S3,  Ms. Johnson has authored a helpful guide book featuring tips and tricks to use this hi-tech smartphone.  [Read more…]